feat(blog): add file-based blog with dynamic slugs, MDX content and layout shell

- Introduced blog routing using Next.js App Router
- Implemented dynamic [slug] pages for blog posts
- Added MDX-based content loading via lib/posts
- Integrated shared TopBar layout with navigation
- Established clear content, lib and component separation

apps/public-web/node_modules/next/dist/trace/trace.d.ts

@@ -0,0 +1,42 @@
+import type { SpanId, TraceEvent, TraceState } from './types';
+export declare enum SpanStatus {
+    Started = "started",
+    Stopped = "stopped"
+}
+interface Attributes {
+    [key: string]: string;
+}
+export declare class Span {
+    private name;
+    private id;
+    private parentId?;
+    private attrs;
+    private status;
+    private now;
+    private _start;
+    constructor({ name, parentId, attrs, startTime, }: {
+        name: string;
+        parentId?: SpanId;
+        startTime?: bigint;
+        attrs?: Attributes;
+    });
+    stop(stopTime?: bigint): void;
+    traceChild(name: string, attrs?: Attributes): Span;
+    manualTraceChild(name: string, startTime?: bigint, stopTime?: bigint, attrs?: Attributes): void;
+    getId(): number;
+    setAttribute(key: string, value: string): void;
+    traceFn<T>(fn: (span: Span) => T): T;
+    traceAsyncFn<T>(fn: (span: Span) => T | Promise<T>): Promise<T>;
+}
+export declare const trace: (name: string, parentId?: SpanId, attrs?: {
+    [key: string]: string;
+}) => Span;
+export declare const flushAllTraces: (opts?: {
+    end: boolean;
+}) => Promise<void>;
+export declare const exportTraceState: () => TraceState;
+export declare const initializeTraceState: (state: TraceState) => void;
+export declare function getTraceEvents(): TraceEvent[];
+export declare function recordTraceEvents(events: TraceEvent[]): void;
+export declare const clearTraceEvents: () => never[];
+export {};